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mirtazapine 15mg and weight gain

6 replies

InFreeFall · 05/11/2026 07:15

I've only been on it coming up to a month, but have already noticed a weight gain. From reading posts on here and elsewhere on the internet, can I assume that it is inevitable? If so, I think I need to ask to change when I have my meds review.

OP posts:
Ratherhaveacupofteaandabiscuit · 05/11/2026 07:22

Yes.
Mirtazepine is actually used as an appetite stimulant in cats and dogs.
I have seen it turn my non eating cat ravenous within an hour of taking one dose.

daisyydaisyy · 05/11/2026 08:20

This is normal and why I came off it too. They give it to you for sleep issues, but you just overheat and overeat. Not a great medication imo.

startthedaywithkindnesd · 05/11/2026 09:18

Please try something better. Not only is it used as an appetite stimulant in cats and dogs , it is also used to stimulate appetite in the elderly. I was put on it for insomnia. To be fair, it worked. But in 3 years it took me from 11st to 19st. (I was left on it for far longer than I should have been, so I was able to have bariatric surgery on the nhs. , then MJ did the rest and got me back to 9st, but lost my entire 50s to debilitating obesity.

InFreeFall · 05/11/2026 11:26

Damn, that's confirmed what I feared. I will need to look at other options. Thanks for the feedback.

OP posts:
Mariets · 11/11/2026 11:23

I started on Mirtazapine and couldn't stop eating but the main reason i stopped was the constant slobbering. Not just the odd dribble, but slobber actually coming out of my mouth like a teething child if I didn't keep swallowing every few seconds.

Mariets · 13/11/2026 21:25

I started paroxetine 10mg only 2 days ago and today I'm feeling absolutely dreadful, yesterday I just felt jittery, but today is 10 times worse. I constantly feel as if I'm going to have a heart attack or a panic attack. This feeling started 6 hrs ago, about three hours after I took my dose. If anyone is on them please tell me it gets better.

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